草间小黑蛛(Erigonidium graminicolum Sundevall)， 属于微蛛科(Erigohidae)、小黑蛛属( Erigonidium)。雌蛛体长2.8-3.9mm ，雄蛛体长2.5-3.3mm。
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Erigonidium graminicolum Sundevall 草间小黑蛛
Erigonidium gramincolam Sundevall 草间小黑蛛
The results showed that Erigonidium graminicola and Theridium octomaculatum were the most important predatory enemies of both egg and larva of Pieris rapae in autumn cabbage fields.
结果表明，八斑球腹蛛和草间小黑蛛是秋甘蓝田菜青虫卵和幼虫最重要的捕食性天敌。
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